Proportional-Derivative Voltage Control with Active Damping for DC/DC Boost Converters via Current Sensorless Approach

Seok Kyoon Kim, Choon Ki Ahn

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This brief presents an advanced proportional-derivative (PD) voltage control mechanism for DC/DC boost converters suffering from the parameter and load variations. The proposed controller eliminates the requirement for current feedback by designing the first-order observer estimating the voltage derivative without the use of converter parameters, which corresponds to the first contribution. As another contribution, a specific feedback gain structure for PD-loop and the active damping component guarantees the first-order closed-loop transfer function from the reference to the output voltage by the stable pole-zero cancellation. A prototype bi-directional 3-kW boost converter experimentally validates the closed-loop performance of the proposed technique.

Original languageEnglish
Article number9138433
Pages (from-to)737-741
Number of pages5
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Volume68
Issue number2
DOIs
Publication statusPublished - 2021 Feb

Keywords

  • DC/DC boost converter
  • active damping
  • current sensorless
  • observers
  • pole-zero cancellation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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